Files
2020-04-25 11:46:20 +02:00

145 lines
4.8 KiB
Python

from typing import Optional, Type
from tortoise import fields, models
from tortoise.exceptions import DoesNotExist
from fastapi_users.db.base import BaseUserDatabase
from fastapi_users.models import UD
class TortoiseBaseUserModel(models.Model):
id = fields.CharField(pk=True, generated=False, max_length=255)
email = fields.CharField(index=True, unique=True, null=False, max_length=255)
hashed_password = fields.CharField(null=False, max_length=255)
is_active = fields.BooleanField(default=True, null=False)
is_superuser = fields.BooleanField(default=False, null=False)
async def to_dict(self):
d = {}
for field in self._meta.db_fields:
d[field] = getattr(self, field)
for field in self._meta.backward_fk_fields:
d[field] = await getattr(self, field).all().values()
return d
class Meta:
abstract = True
class TortoiseBaseOAuthAccountModel(models.Model):
id = fields.CharField(pk=True, generated=False, max_length=255)
oauth_name = fields.CharField(null=False, max_length=255)
access_token = fields.CharField(null=False, max_length=255)
expires_at = fields.IntField(null=False)
refresh_token = fields.CharField(null=True, max_length=255)
account_id = fields.CharField(index=True, null=False, max_length=255)
account_email = fields.CharField(null=False, max_length=255)
class Meta:
abstract = True
class TortoiseUserDatabase(BaseUserDatabase[UD]):
"""
Database adapter for Tortoise ORM.
:param user_db_model: Pydantic model of a DB representation of a user.
:param model: Tortoise ORM model.
:param oauth_account_model: Optional Tortoise ORM model of a OAuth account.
"""
model: Type[TortoiseBaseUserModel]
oauth_account_model: Optional[Type[TortoiseBaseOAuthAccountModel]]
def __init__(
self,
user_db_model: Type[UD],
model: Type[TortoiseBaseUserModel],
oauth_account_model: Optional[Type[TortoiseBaseOAuthAccountModel]] = None,
):
super().__init__(user_db_model)
self.model = model
self.oauth_account_model = oauth_account_model
async def get(self, id: str) -> Optional[UD]:
try:
query = self.model.get(id=id)
if self.oauth_account_model is not None:
query = query.prefetch_related("oauth_accounts")
user = await query
user_dict = await user.to_dict()
return self.user_db_model(**user_dict)
except DoesNotExist:
return None
async def get_by_email(self, email: str) -> Optional[UD]:
try:
query = self.model.get(email=email)
if self.oauth_account_model is not None:
query = query.prefetch_related("oauth_accounts")
user = await query
user_dict = await user.to_dict()
return self.user_db_model(**user_dict)
except DoesNotExist:
return None
async def get_by_oauth_account(self, oauth: str, account_id: str) -> Optional[UD]:
try:
query = self.model.get(
oauth_accounts__oauth_name=oauth, oauth_accounts__account_id=account_id
).prefetch_related("oauth_accounts")
user = await query
user_dict = await user.to_dict()
return self.user_db_model(**user_dict)
except DoesNotExist:
return None
async def create(self, user: UD) -> UD:
user_dict = user.dict()
oauth_accounts = user_dict.pop("oauth_accounts", None)
model = self.model(**user_dict)
await model.save()
if oauth_accounts and self.oauth_account_model:
oauth_account_objects = []
for oauth_account in oauth_accounts:
oauth_account_objects.append(
self.oauth_account_model(user=model, **oauth_account)
)
await self.oauth_account_model.bulk_create(oauth_account_objects)
return user
async def update(self, user: UD) -> UD:
user_dict = user.dict()
user_dict.pop("id") # Tortoise complains if we pass the PK again
oauth_accounts = user_dict.pop("oauth_accounts", None)
model = await self.model.get(id=user.id)
for field in user_dict:
setattr(model, field, user_dict[field])
await model.save()
if oauth_accounts and self.oauth_account_model:
await model.oauth_accounts.all().delete()
oauth_account_objects = []
for oauth_account in oauth_accounts:
oauth_account_objects.append(
self.oauth_account_model(user=model, **oauth_account)
)
await self.oauth_account_model.bulk_create(oauth_account_objects)
return user
async def delete(self, user: UD) -> None:
await self.model.filter(id=user.id).delete()